31181748

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1459}}^1$

素因数の和:1616

約数の個数: 48

約数和(自身を含む): 78980160

約数和(自身を除く): 47798412

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 137, 156, 274, 411, 548, 822, 1459, 1644, 1781, 2918, 3562, 4377, 5343, 5836, 7124, 8754, 10686, 17508, 18967, 21372, 37934, 56901, 75868, 113802, 199883, 227604, 399766, 599649, 799532, 1199298, 2398596, 2598479, 5196958, 7795437, 10393916, 15590874, 31181748]

約数ペア:

[(1, 31181748), (2, 15590874), (3, 10393916), (4, 7795437), (6, 5196958), (12, 2598479), (13, 2398596), (26, 1199298), (39, 799532), (52, 599649), (78, 399766), (137, 227604), (156, 199883), (274, 113802), (411, 75868), (548, 56901), (822, 37934), (1459, 21372), (1644, 18967), (1781, 17508), (2918, 10686), (3562, 8754), (4377, 7124), (5343, 5836)]